import java.io.*;
public class Main {
	public static boolean fat(int x) {
		int a=x-1;
		if(x==1||x==2)
			return true;
		while(a!=1)
		{
			if(x%a==0)
				return false;
			else 
				a--;
		}
		return true;
	}
	public static void main(String[] args ) {	
		int i,n=11,j,m;
		String s="";
			try {
				BufferedReader in=new BufferedReader(new InputStreamReader(System.in));
				s=in.readLine();
			}catch(IOException e) {}
			m=Integer.parseInt(s);
			if((m%2)!=0||m<3)
				{
				   System.out.println("该数不符合要求，请重新输入");
				   return ;
				}
			for(j=1;j<=100;j++)
				for(i=1;i<=100;i++)
					if(fat(j)&&fat(i)&&(i+j)==m)
						System.out.println(i+"+"+j+"="+m);	
	}		 
}